Автор - ersharin4

0.3x(3x-1)+0.2=5(0.1-0.2x)-0.1
Помогиитеее

Ответ

Автор - 2micki

0.9x-0.3+0.2=0.5-x-0.1

0.9x-0.1=0.4-x

0.9x+x=0.4+0.1

1.9x=0.5

x=5

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19

надеюсь помог

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